hintonda updated this revision to Diff 131742.
hintonda edited the summary of this revision.
hintonda added a comment.
- Libfuzzers won't build, so turn off.
- Fix typos, and set cache.
Repository:
rC Clang
https://reviews.llvm.org/D41829
Files:
cmake/caches/Linux.cmake
Index: cmake/caches/Linux.cmake
===================================================================
--- /dev/null
+++ cmake/caches/Linux.cmake
@@ -0,0 +1,98 @@
+# This file is primarily for cross compiling clang+llvm, et al, for
+# Linux on Darwin, and can be invoked like this:
+#
+# cmake -GNinja -DBOOTSTRAP_CMAKE_SYSROOT=<sysroot path> [OPTIONS] \
+# -C <clang root>/cmake/caches/Linux.cmake ../llvm
+#
+# Use "BOOTSTRAP_" prefix to pass options to stage2, e.g.,
+# "-DBOOTSTRAP_CMAKE_BUILD_TYPE=Release", and
+# "-DSTAGE2_CACHE_FILE=<path>" to specify a stage2 cache file.
+#
+
+
+if(NOT DEFINED BOOTSTRAP_CMAKE_SYSROOT)
+ message(FATAL_ERROR "Missing required argument -DBOOTSTRAP_CMAKE_SYSROOT=<sysroot path>.")
+endif()
+
+# FIXME: Default to Linux, but should this be required?
+if(NOT DEFINED BOOTSTRAP_CMAKE_SYSTEM_NAME)
+ set(BOOTSTRAP_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+endif()
+
+# FIXME: Should this default be based on BOOTSTRAP_CMAKE_SYSTEM_NAME?
+if(NOT DEFINED BOOTSTRAP_LLVM_DEFAULT_TARGET_TRIPLE)
+ set(BOOTSTRAP_LLVM_DEFAULT_TARGET_TRIPLE "x86_64-unknown-linux-gnu" CACHE STRING "")
+endif()
+
+if(NOT DEFINED BOOTSTRAP_GCC_INSTALL_PREFIX)
+ # Force clang to look for gcc at runtime -- otherwise it will
+ # default to 4.2.1.
+ set(BOOTSTRAP_GCC_INSTALL_PREFIX "/usr" CACHE STRING "")
+endif()
+
+# Allow user to pass a custom stage2 cache file.
+if(DEFINED STAGE2_CACHE_FILE)
+ if(NOT IS_ABSOLUTE ${STAGE2_CACHE_FILE})
+ message(SEND_ERROR "STAGE2_CACHE_FILE [${STAGE2_CACHE_FILE}] must be an absolute path.")
+ endif()
+ if(NOT EXISTS ${STAGE2_CACHE_FILE})
+ message(SEND_ERROR "STAGE2_CACHE_FILE [${STAGE2_CACHE_FILE}] does not exist.")
+ endif()
+ list(APPEND EXTRA_ARGS -C${STAGE2_CACHE_FILE})
+endif()
+
+list(APPEND EXTRA_ARGS
+ -DCMAKE_C_COMPILER_TARGET=${BOOTSTRAP_LLVM_DEFAULT_TARGET_TRIPLE}
+ -DCMAKE_CXX_COMPILER_TARGET=${BOOTSTRAP_LLVM_DEFAULT_TARGET_TRIPLE}
+ -DCMAKE_ASM_COMPILER_TARGET=${BOOTSTRAP_LLVM_DEFAULT_TARGET_TRIPLE}
+
+ # Adjust the default behaviour of the FIND_XXX() commands to only
+ # search for headers and libraries in the
+ # CMAKE_SYSROOT/CMAKE_FIND_ROOT_PATH, and always search for programs
+ # in the host system. These all default to BOTH.
+ -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER
+ -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY
+ -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY
+ )
+
+set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
+set(CMAKE_BUILD_TYPE RELEASE CACHE STRING "")
+set(LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+
+set(LLVM_INCLUDE_DOCS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_EXAMPLES OFF CACHE BOOL "")
+set(LLVM_INCLUDE_RUNTIMES OFF CACHE BOOL "")
+set(LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_UTILS OFF CACHE BOOL "")
+set(CLANG_BUILD_TOOLS OFF CACHE BOOL "")
+set(CLANG_ENABLE_ARCMT OFF CACHE BOOL "")
+set(CLANG_ENABLE_STATIC_ANALYZER OFF CACHE BOOL "")
+
+# FIXME: Is there a better way to specify this? i.e., target is elf,
+# but host isn't.
+if(CMAKE_HOST_APPLE)
+ # Make sure at least clang and lld are included.
+ set(LLVM_ENABLE_PROJECTS ${LLVM_ENABLE_PROJECTS} clang lld CACHE STRING "")
+
+ # Passing -fuse-ld=lld is hard for cmake to handle correctly, so
+ # make lld the default linker.
+ set(CLANG_DEFAULT_LINKER lld CACHE STRING "")
+
+ set(CLANG_DEFAULT_OBJCOPY llvm-objcopy CACHE STRING "")
+
+ list(APPEND EXTRA_ARGS
+ # FIXME: Libfuzzer won't build correctly, so turn off for now.
+ -DCOMPILER_RT_BUILD_LIBFUZZER=OFF
+ -DLLVM_ENABLE_LLD=ON
+ -DCMAKE_AR=${CMAKE_BINARY_DIR}/bin/llvm-ar
+ -DCMAKE_OBJCOPY=${CMAKE_BINARY_DIR}/bin/llvm-objcopy
+ -DCMAKE_RANLIB=${CMAKE_BINARY_DIR}/bin/llvm-ranlib
+ -DCLANG_TABLEGEN=${CMAKE_BINARY_DIR}/bin/clang-tblgen
+ -DLLVM_TABLEGEN=${CMAKE_BINARY_DIR}/bin/llvm-tblgen
+ -DLLVM_CONFIG_PATH=${CMAKE_BINARY_DIR}/bin/llvm-config
+ )
+
+endif()
+
+set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
+set(CLANG_BOOTSTRAP_CMAKE_ARGS ${EXTRA_ARGS} CACHE STRING "")
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